Plotter XL vs Noise Light for School
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Plotter XL
Visualize mathematical functions by entering formulas and specifying a plotting range. Supports multiple functions, theme customization, and saving formulas for future use. Share your creations via email.
- Plot multiple functions
- Customizable chart themes
- Save and reuse formulas
- Email formulas and charts
- Retina display support
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Plot graphs of functions. Enter your formula and the range you want to plot. Features: - By separating the formulas with semicolons you can draw more than one function. - Tap the chart to flip through the themes. - Save formulas for later use. - E-Mail the formulas, charts and let others open them in the plotter web application. - retina display support
Noise Light for School
This tool assists educators in managing classroom noise levels. It features a visual indicator and statistics to track class quietness. An accompanying watch app allows for remote monitoring of class activity.
- Classroom noise level indicator
- Microphone sensitivity adjustment
- Classroom activity statistics
- Apple Watch companion app
- iPhone and iPad support
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This Application helps you as a teacher to quieten your noisy class. To change the sensibility of the microphone use the slider to manipulate it. In the Statistic View, you can see the different phases your class was. With the available Apple Watch App, you can keep track of your stats even if you were somewhere else, as long you, have your iPhone or iPad in the classroom.
Screenshots
Verdict
The clearest difference is update cadence: Noise Light for School at monthly against Plotter XL's every 24 months. Noise Light for School also leads on review sentiment (14% vs 0%) and device support (4 vs 1). Plotter XL's advantage is price ($1.99 vs $5.99). On ads, in-app purchases and monetization model there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Plotter XL costs $1.99 and Noise Light for School $5.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Plotter XL ships an update every 24 months, Noise Light for School monthly. The most recent releases landed on October 5, 2026 and October 8, 2026 respectively.
| Parameter | Plotter XL | Noise Light for School |
|---|---|---|
| Price | $1.99 — better | $5.99 |
| Positive reviews | 0.0% of reviews | 14.3% of reviews — better |
| Update frequency | Every 24 months | Monthly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | Paid |
| Devices | iPad | iPhone, iPad, iPod, Apple Watch — better |
| Requires iOS | 15.6 | 10.0 — better |
| Further details — not scored | ||
| Size | 1 MB | 21 MB |
| Age rating | 4+ | 4+ |
| Developer | Piet Jonas | Christopher Eggs |
Customer experience
Plotter XL
Noise Light for School
In-app purchases
Plotter XL
No in-app purchases
Noise Light for School
No in-app purchases
Questions
Is Plotter XL free?
Is Noise Light for School free?
Do Plotter XL or Noise Light for School have ads?
Which is updated more often, Plotter XL or Noise Light for School?
Other comparisons
